Try our new Rhino Gear pinions! No more days of landing after a flight of EXTREME 3D to find your pinion teeth looking as if they have melted away, or snapping a pinion in-flight due to improper hardening!

A Rhino Gear pinion could be the last pinion you will ever purchase!They are machined to exacting specifications from high quality carbon steel and then Ultra-Hardened for lasting durability and outstanding strength!Maintaining these tight specifications means less gear noise and less wear on your helicopter’s main gear.

Modulus .5 Rhino Gear pinions have a 3mm set screw but…

Modulus .6 and .7 Rhino Gears have a 4mm set screw to give awesome gripping power on the motor shaft!No need to worry about pinion slip, even with the most insane power systems driving your helicopter!

Available in a wide range of Modulus and teeth counts for a variety of Helicopters and gear ratios.

Modulus .5 for HDX-450/ Trex-450 and our new OUTRAGE G5

Modulus .6 for HDX-500/ Trex-500/ LeptonModulus .7 for HDX-550/ Trex-600 and our soon to be released OUTRAGE 550